145

125

105

85

65

45

25

5

-55

-15

5

25

125

Temperature ( C)

°

-35

45

65

OPA188 Zero-Drift Architecture

Precision Laser Trim Architecture

85

105

OPA188

www.ti.com

SBOS642A – MARCH 2013 – REVISED MARCH 2013

Precision, Low-Noise, Rail-to-Rail Output,

36-V, Zero-Drift Operational Amplifiers

Check for Samples: OPA188

1

FEATURES

DESCRIPTION

The OPA188 operational amplifier uses TI proprietary

2345

• Low Offset Voltage: 25

μV (max)

auto-zeroing techniques to provide low offset voltage

•

Zero-Drift: 0.03

μV/°C

(25

μV, max), and near zero-drift over time and

•

Low Noise: 8.8 nV/

√Hz

temperature. This miniature, high-precision, low-

quiescent

current

amplifier

offers

high

input

–

impedance and rail-to-rail output swing within 15 mV

•

Excellent DC Precision:

of the rails. The input common-mode range includes

–

PSRR: 142 dB

the negative rail. Either single or dual supplies can be

used in the range of +4 V to +36 V (±2 V to ±18 V).

–

CMRR: 146 dB

–

Open-Loop Gain: 136 dB

The single version is available in the MicroSIZE

SOT23-5, MSOP-8, and SO-8 packages. All versions

•

Gain Bandwidth: 2 MHz

are specified for operation from –40°C to +125°C.

•

Quiescent Current: 510

μA (max)

•

Wide Supply Range: ±2 V to ±18 V

•

Rail-to-Rail Output

•

Input Includes Negative Rail

•

RFI Filtered Inputs

•

MicroSIZE Packages

APPLICATIONS

•

Bridge Amplifiers

•

Strain Gauges

•

Transducer Applications

•

Temperature Measurement

•

Electronic Scales

•

Medical Instrumentation

•

Resistance Temperature Detectors

Zero-Drift Amplifier Portfolio

OFFSET VOLTAGE

OFFSET VOLTAGE

INPUT VOLTAGE NOISE

VERSION

PRODUCT

(µV, max)

DRIFT (µV/°C, max)

BANDWIDTH (MHz)

OPA188 (4 V to 36 V)

±25

±0.085

2

0.25

OPA333 (5 V)

±10

±0.05

0.35

1.1

Single

OPA378 (5 V)

±50

±0.25

0.9

0.4

OPA735 (12 V)

±5

±0.05

1.6

2.5

OPA2188 (4 V to 36 V)

±25

±0.085

2

0.25

OPA2333 (5 V)

±10

±0.05

0.35

1.1

Dual

OPA2378 (5 V)

±50

±0.25

0.9

0.4

OPA2735 (12 V)

±5

±0.05

1.6

2.5

OPA4188 (4 V to 36 V)

±25

±0.085

2

0.25

Quad

OPA4330 (5 V)

±50

±0.25

0.35

1.1

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

TINA-TI is a trademark of Texas Instruments, Inc and DesignSoft, Inc.

3

Bluetooth is a registered trademark of Bluetooth SIG, Inc.

4

TINA, DesignSoft are trademarks of DesignSoft, Inc.

5

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.